exchangeclient.h

一个WinCE6。0下的IP phone的源代码

//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
//
// Use of this sample source code is subject to the terms of the Microsoft
// license agreement under which you licensed this sample source code. If
// you did not accept the terms of the license agreement, you are not
// authorized to use this sample source code. For the terms of the license,
// please see the license agreement between you and Microsoft or, if applicable,
// see the LICENSE.RTF on your install media or the root of your tools installation.
// THE SAMPLE SOURCE CODE IS PROVIDED "AS IS", WITH NO WARRANTIES.
//
#ifndef _EXCHANGECLIENT_H_222129103_ // To prevent multiple #includes
#define _EXCHANGECLIENT_H_222129103_

#include "msxml2.h"
#include "IExchangeClient.h"
#include "Includes.h"
#include "List.hxx"
#include "XMLDataRecordParser.h"

class IExchangeClientFormatHandler;
class CExchangeClientRequest;

typedef ce::list<CExchangeClientRequest *> RequestQueue;

class ATL_NO_VTABLE CExchangeClient : 
    public CComObjectRootEx<CComMultiThreadModel>,
    public CComCoClass<CExchangeClient, &CLSID_ExchangeClient>,
    public IExchangeClient
{
public:
    CExchangeClient();
    virtual ~CExchangeClient();

public:
    //IUnknown:
    DECLARE_NO_REGISTRY()

    BEGIN_COM_MAP(CExchangeClient)
        COM_INTERFACE_ENTRY(IExchangeClient)
    END_COM_MAP()

public:
    //IExchangeClient
    virtual HRESULT STDMETHODCALLTYPE   Initialize(
        IExchangeClientRequestCallback  *piCallback
    );

    virtual HRESULT STDMETHODCALLTYPE   SetCredentials(
        const WCHAR *c_wszUsername,
        const WCHAR *c_wszPassword
        );

    virtual HRESULT STDMETHODCALLTYPE   SetServer(
        const WCHAR *c_wszServername
        );

    virtual HRESULT STDMETHODCALLTYPE   GetServer(
        WCHAR *wszBuffer, 
        UINT   cchBuffer
        );
    
    virtual HRESULT STDMETHODCALLTYPE   RequestContacts(
        ContactsSearchCriteria           *pCriteria,
        IExchangeClientRequest          **ppiRequest
        );

    virtual HRESULT STDMETHODCALLTYPE   RequestGALSearch(
        GALSearchCriteria *pCriteria,
        IExchangeClientRequest **ppiRequest
        );

    virtual HRESULT STDMETHODCALLTYPE   RequestFreeBusyData(
        FreeBusyCriteria *pCriteria,
        IExchangeClientRequest **ppiRequest
        );

    virtual HRESULT STDMETHODCALLTYPE   CancelPendingRequests();

    virtual HRESULT STDMETHODCALLTYPE   Uninitialize();

public:
    //Helper functions for Requests to call into
    HRESULT  CallbackOnMainThread(
        CExchangeClientRequest *pRequestObject, 
        ExchangeClientRequestStatus ecrs
        );

    inline IExchangeClientRequestCallback *GetCallbackInterface()
    {
        ASSERT(m_cpCallback != NULL);
        return m_cpCallback;
    }

    HRESULT  BypassOWALoginPage(
        IXMLHTTPRequest *piRequest
        );

    HRESULT  CancelMe(
        CExchangeClientRequest *pRequestObject
        );
    
private:
    //Worker thread helpers
    static DWORD WINAPI s_WorkerThreadProc(
        LPVOID lpvThreadProcParam
        );

    HRESULT WorkerThreadProc();
    HRESULT OnWorkerThreadTermination();

private:
    //Syncronization functions
    inline VOID LockRequests()           { EnterCriticalSection(&m_csRequestLock);      }
    inline VOID UnlockRequests()         { LeaveCriticalSection(&m_csRequestLock);      }
    inline VOID InitializeRequestLock()  { InitializeCriticalSection(&m_csRequestLock); }
    inline VOID DeleteRequestLock()      { DeleteCriticalSection(&m_csRequestLock);     }
private:
    //Helpers for the current request
    VOID SetCurrentRequest(IExchangeClientRequest *piRequest);
    VOID CancelCurrentRequest();

private:
    //Initialization helper functions
    HRESULT RegisterCallbackWindow();
    HRESULT CreateWorkerThreadAndEvents();

    HRESULT RecreateXMLHttpObject();
    
    static LRESULT CALLBACK s_CallbackWindowProc(
        HWND hwnd, 
        UINT uMsg, 
        WPARAM wParam, 
        LPARAM lParam
        );
    
private:
    //Request helper functions
    HRESULT GetNextRequest(
        CExchangeClientRequest * * ppRequest
        );

    HRESULT AddNewRequest(
        CExchangeClientRequest * pRequest
        );

    HRESULT DispatchRequest(
        ExchangeClientRequestType rt, 
        VOID * pvRequestParams, 
        IExchangeClientFormatHandler * piHandler, 
        IExchangeClientRequest * * ppiRequest
        );

private:
    //Am I initialized?
    BOOL               m_fInitialized;

    //Hidden callback window handle
    HWND               m_hwndCallback;

    //Guard for request queueing
    CRITICAL_SECTION   m_csRequestLock;

    //Queue of requests
    RequestQueue       m_queuePendingRequests;

    //Object used to send the request
    CComPtr<IXMLHTTPRequest> m_cpHttpRequest;
    CComPtr<IClassFactory>   m_cpXMLHTTPRequestClassFactory;
    //Parser
    CXMLDataRecordParser         m_DataRecordParser;

    //Event/thread handles
    HANDLE             m_hWorkerThread;
    HANDLE             m_hEventNewRequest;
    HANDLE             m_hEventExit;

    CComPtr<IExchangeClientRequestCallback> m_cpCallback;
    CComPtr<IExchangeClientRequest>         m_cpCurrentRequest;

    ce::wstring        m_wstrServer;
};

#endif // !defined _EXCHANGECLIENT_H_222129103_